package com.carl.math;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class question_01 {

    //https://www.acwing.com/problem/content/description/1/
    //1.A+B 一行输入
    public static void main(String[] args) throws IOException {

        //solution:1
        Scanner scanner = new Scanner(System.in);
        String[] s = scanner.nextLine().split(" {3}"); //中间三个空格
        //String[] s = scanner.nextLine().split(" {2}"); //中间两个空格
        int a = Integer.parseInt(s[0]);
        int b = Integer.parseInt(s[1]);
        System.out.printf("sum = %d",a+b);


        //solution2
//        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
//        String[] arg = reader.readLine().split(" ");
//        int a = Integer.parseInt(arg[0]);
//        int b = Integer.parseInt(arg[1]);
//        System.out.printf("sum = %d",a+b);



    }
}
